Pregnancy symbol



FIG. 1 is a front elevation of my new ornamental design for a pregnancy symbol, the rear elevation of which is a mirror image;

FIG. 2 is a left side elevation of the pregnancy symbol of FIG. 1;

FIG. 3 is a right side elevation of the pregnancy symbol of FIG. 1;

FIG. 4 is a top plan view of the pregnancy symbol of FIG. 1; and,

FIG. 5 is a bottom plan view of the pregnancy symbol of FIG. 1. 

The ornamental design for a pregnancy symbol, as shown and described. 